Look at this excerpt of Kant’s Prolegomena to Any Future Metaphysics
What is Kant’s response to Hume’s conclusions in metaphysics and epistemology? In Groundwork for the Metaphysics of Morals, he sets up his ethical theory: What is Kant’s goal in his ethi’lcs? Why must he give a good explanation for our moral reasoning beyond our sentiments (emotions)? What is his concept of the Good Will? What is a hypothetical imperative?